It was a Saturday.
August 15, 1973 fell on a Wednesday.
saturday
It was a Monday.
15 September 1995 was a Friday.
15 September 1821 was a Saturday.
15 September 1996 was a Sunday.
September 15 1997 was on a Monday.
15 September 1959 was a Tuesday.
September 15 1983 was a Thursday.
15 September 1951 was a Saturday.
September 15 1986 was a Monday.
September 15, 1969 was a Monday.